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Byju's Answer
Standard XII
Physics
Pascal's Law
A hydraulic m...
Question
A hydraulic machine exerts a force of
900
N
on a piston of diameter
1.80
c
m
. The output force is exerted on a piston of diameter
36
c
m
. What will be the output force?
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Solution
Given,
F
1
=
900
N
F
2
=
x
N
r
1
=
0.9
c
m
r
2
=
18
c
m
From Pascals law, we have
P
1
=
P
2
F
1
A
1
=
F
2
A
2
⇒
F
2
=
F
1
×
r
2
2
r
2
1
F
2
=
90000
×
18
×
18
0.9
×
0.9
F
2
=
36
×
10
4
N
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